A foot injury forced former U.S. Open champion Emma Raducanu to retire from her Korea Open quarter-final clash with top seed Daria Kasatkina after losing the first set 6-1 on Saturday. Britain's Raducanu struggled to serve with her injured left foot,

No. 1 seed Daria Kasatkina made light work of Hailey Baptiste as she claimed a routine 6-4 6-2 win over the 105th-ranked American to set up a Seoul quarterfinal against Emma Raducanu.

Emma Raducanu has retired from the quarter-finals of the Korea Open with an apparent left foot injury, after losing the first set 6-1 against top seed Daria Kasatkina.

Emma Raducanu has fired a warning to Daria Kasatkina ahead of their crunch clash at the Korea Open on Saturday morning. The tennis star has started to rediscover her mojo, having previously been sent crashing out of the US Open in the first round last month.

Raducanu edged ahead following a close first set and powered ahead at the start of the second, holding off a comeback from Yuan and serving eight aces during the second set. Raducanu had battled past American Peyton Stearns in the previous round to set up the meeting with Yuan,

Emma Raducanu came through a gripping and often high-class battle with eighth seed Yue Yuan as she reached the quarter-finals of Seoul in entertaining style.

Emma Raducanu has admitted she was forced to let go of any 'frustration' she had as she battled her way into the last eight of the Korea Open. The 21-year-old beat Yue Yuan 6-4, 6-3 to advance to the quarter-finals as she won her second match since her disastrous US Open campaign.

Emma Raducanu beats eighth seed Yuan Yue to reach Korea Open quarter-finals - The British player needed seven match points to finally clinch a 6-4 6-3 win.